KR100464762B1 - 광학픽업 - Google Patents
광학픽업 Download PDFInfo
- Publication number
- KR100464762B1 KR100464762B1 KR1019960020690A KR19960020690A KR100464762B1 KR 100464762 B1 KR100464762 B1 KR 100464762B1 KR 1019960020690 A KR1019960020690 A KR 1019960020690A KR 19960020690 A KR19960020690 A KR 19960020690A KR 100464762 B1 KR100464762 B1 KR 100464762B1
- Authority
- KR
- South Korea
- Prior art keywords
- light
- light receiving
- optical
- recording
- objective lens
- Prior art date
Links
- 230000003287 optical effect Effects 0.000 title claims abstract description 195
- 238000004364 calculation method Methods 0.000 claims abstract 3
- 238000001514 detection method Methods 0.000 claims description 26
- 238000000034 method Methods 0.000 claims description 15
- 230000001678 irradiating effect Effects 0.000 claims description 8
- 239000000758 substrate Substances 0.000 description 30
- 239000011295 pitch Substances 0.000 description 28
- 230000007246 mechanism Effects 0.000 description 11
- 230000004075 alteration Effects 0.000 description 6
- 230000008859 change Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 239000000696 magnetic material Substances 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
- G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
- G11B7/0901—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for track following only
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
- G11B19/02—Control of operating function, e.g. switching from recording to reproducing
- G11B19/12—Control of operating function, e.g. switching from recording to reproducing by sensing distinguishing features of or on records, e.g. diameter end mark
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
- G11B19/02—Control of operating function, e.g. switching from recording to reproducing
- G11B19/12—Control of operating function, e.g. switching from recording to reproducing by sensing distinguishing features of or on records, e.g. diameter end mark
- G11B19/128—Control of operating function, e.g. switching from recording to reproducing by sensing distinguishing features of or on records, e.g. diameter end mark involving the detection of track pitch or recording density
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
- G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
- G11B7/1372—Lenses
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
- G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
- G11B7/1381—Non-lens elements for altering the properties of the beam, e.g. knife edges, slits, filters or stops
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
- G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
- G11B7/139—Numerical aperture control means
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B2007/0003—Recording, reproducing or erasing systems characterised by the structure or type of the carrier
- G11B2007/0006—Recording, reproducing or erasing systems characterised by the structure or type of the carrier adapted for scanning different types of carrier, e.g. CD & DVD
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B2007/0003—Recording, reproducing or erasing systems characterised by the structure or type of the carrier
- G11B2007/0009—Recording, reproducing or erasing systems characterised by the structure or type of the carrier for carriers having data stored in three dimensions, e.g. volume storage
- G11B2007/0013—Recording, reproducing or erasing systems characterised by the structure or type of the carrier for carriers having data stored in three dimensions, e.g. volume storage for carriers having multiple discrete layers
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Recording Or Reproduction (AREA)
- Optical Head (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
- Microscoopes, Condenser (AREA)
- Holo Graphy (AREA)
- Surgical Instruments (AREA)
- Glass Compositions (AREA)
- Moving Of The Head To Find And Align With The Track (AREA)
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP95-144714 | 1995-06-12 | ||
JP7144714A JPH08339552A (ja) | 1995-06-12 | 1995-06-12 | 光学ピックアップ装置 |
JP7154399A JPH097197A (ja) | 1995-06-21 | 1995-06-21 | 光記録媒体の記録及び/又は再生装置 |
JP95-154399 | 1995-06-21 | ||
JP7166637A JPH0917022A (ja) | 1995-06-30 | 1995-06-30 | 光学ヘッド装置 |
JP95-166637 | 1995-06-30 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR970002934A KR970002934A (ko) | 1997-01-28 |
KR100464762B1 true KR100464762B1 (ko) | 2005-05-03 |
Family
ID=27318863
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019960020690A KR100464762B1 (ko) | 1995-06-12 | 1996-06-11 | 광학픽업 |
Country Status (11)
Country | Link |
---|---|
US (2) | US6222803B1 (es) |
EP (1) | EP0749118B1 (es) |
KR (1) | KR100464762B1 (es) |
CN (1) | CN1103991C (es) |
AT (1) | ATE195829T1 (es) |
AU (1) | AU714000B2 (es) |
BR (1) | BR9602750A (es) |
CA (1) | CA2178685A1 (es) |
DE (1) | DE69609902T2 (es) |
ES (1) | ES2149435T3 (es) |
MY (1) | MY116529A (es) |
Families Citing this family (33)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU714000B2 (en) * | 1995-06-12 | 1999-12-16 | Sony Corporation | Optical pickup |
DE19536396A1 (de) * | 1995-09-29 | 1997-04-03 | Thomson Brandt Gmbh | Wiedergabe- und/oder Aufzeichnungsgerät für optische Aufzeichnungsträger unterschiedlicher Speicherdichte |
JP3633069B2 (ja) * | 1995-12-15 | 2005-03-30 | 富士通株式会社 | 光ディスク装置 |
DE69709011T2 (de) * | 1996-09-25 | 2002-05-02 | Victor Company Of Japan, Ltd. | Vorrichtung zur Bestimmung des Typs einer Platte, Wiedergabegerät für optische Platte und Vorrichtung zur Detektion eines Spurverfolgungsfehlersignals |
TW452793B (en) | 1997-03-27 | 2001-09-01 | Matsushita Electric Ind Co Ltd | Recording and reproducing method for optical information recording medium, and optical information recording medium |
DE69839497D1 (de) * | 1997-04-09 | 2008-06-26 | Ricoh Kk | Phasenwechselaufzeichnungsmedium für Spurführung nach dem differentiellen Phasendetektionsverfahren |
EP0895227A1 (en) | 1997-07-31 | 1999-02-03 | THOMSON multimedia | A tracking system for optical storage media |
EP0895228A3 (en) * | 1997-07-31 | 1999-11-24 | THOMSON multimedia S.A. | A tracking system for optical storage media |
JPH11238245A (ja) * | 1998-02-24 | 1999-08-31 | Sony Corp | 光検出信号処理装置 |
JP3645711B2 (ja) * | 1998-05-27 | 2005-05-11 | 松下電器産業株式会社 | 光ディスク装置および光ディスク制御方法 |
CN1154985C (zh) * | 1998-07-03 | 2004-06-23 | 株式会社日立制作所 | 光检测器、信号处理电路、及其光信息再现设备 |
JP4003303B2 (ja) * | 1998-07-22 | 2007-11-07 | ソニー株式会社 | 信号記録装置 |
JP2000132855A (ja) * | 1998-10-27 | 2000-05-12 | Matsushita Electric Ind Co Ltd | 光情報記録再生装置 |
US6597642B1 (en) * | 1999-11-12 | 2003-07-22 | Matsushita Electric Industrial Co., Ltd | Photodetector unit, and optical pickup, optical reproduction apparatus, and optical recording apparatus equipped with the same |
US6567355B2 (en) * | 1999-12-03 | 2003-05-20 | Hitachi, Ltd. | Optical detector, optical pickup and optical information reproducing apparatus using optical pickup |
JP4370658B2 (ja) * | 2000-02-22 | 2009-11-25 | ソニー株式会社 | 記録方法及び装置 |
TWI239002B (en) * | 2000-03-10 | 2005-09-01 | Sony Corp | Optical recording/reproducing apparatus, optical head apparatus, optical disc drive apparatus, tracking control method for use therein, and optical disc |
EP1174863A3 (en) * | 2000-06-22 | 2006-09-06 | TDK Corporation | Optical recording medium and optical recording method |
CN1383549A (zh) * | 2000-06-23 | 2002-12-04 | 皇家菲利浦电子有限公司 | 记录和/或再现光记录载体的设备 |
JP3811337B2 (ja) * | 2000-07-28 | 2006-08-16 | 富士通株式会社 | 情報記憶装置 |
KR100408401B1 (ko) * | 2001-02-23 | 2003-12-06 | 삼성전자주식회사 | 광 기록/재생기기 및 트랙킹 에러신호 검출방법 |
JP4251524B2 (ja) * | 2001-03-07 | 2009-04-08 | パイオニア株式会社 | 光ピックアップ装置 |
KR100475589B1 (ko) * | 2002-09-03 | 2005-03-10 | 금오수 | 크레인과 차량간의 위치인식 및 제동시스템 |
KR100464441B1 (ko) * | 2002-12-28 | 2005-01-03 | 삼성전자주식회사 | 신호 검출 방법 및 장치 및 이를 적용한 광기록 및/또는재생기기 |
JP3786367B2 (ja) * | 2003-06-25 | 2006-06-14 | 船井電機株式会社 | 光ピックアップ装置 |
KR100557542B1 (ko) * | 2004-04-08 | 2006-03-03 | 삼성전기주식회사 | 트래킹 에러 오프셋 보상용 광검출 영역이 형성된 광픽업장치 |
CN101171629B (zh) * | 2005-04-27 | 2010-10-06 | 松下电器产业株式会社 | 光头装置及光信息处理装置 |
JP2007257805A (ja) * | 2006-03-27 | 2007-10-04 | Hitachi Media Electoronics Co Ltd | 光学素子送り装置およびそれを用いた光ピックアップ装置 |
US7933182B2 (en) * | 2006-12-13 | 2011-04-26 | Canon Kabushiki Kaisha | Optical information recording and reproducing apparatus that sets a movable range of an objective lens based on the type of recording medium |
JP2009110558A (ja) * | 2007-10-26 | 2009-05-21 | Sanyo Electric Co Ltd | 光ピックアップ装置 |
US8503276B2 (en) * | 2009-12-30 | 2013-08-06 | Mediatek Inc. | Optical disk drive and method for determining type of a blu-ray disk |
JP2011192330A (ja) * | 2010-03-12 | 2011-09-29 | Panasonic Corp | 光ディスクの再生方法 |
KR20120054385A (ko) * | 2010-11-19 | 2012-05-30 | 도시바삼성스토리지테크놀러지코리아 주식회사 | 광 픽업 장치 및 이를 적용하는 광 디스크 드라이브 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5130965A (en) * | 1989-06-27 | 1992-07-14 | Mitsubishi Denki Kabushiki Kaisha | Optical recording/reproducing apparatus using a light spot switching means for centering beams on an information track |
JPH0765394A (ja) * | 1993-08-27 | 1995-03-10 | Fujitsu Ltd | 光ディスク装置 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4773052A (en) | 1984-09-20 | 1988-09-20 | Pioneer Electronic Corporation | Dual mode disk player/recorder |
DE3672426D1 (de) * | 1985-09-27 | 1990-08-09 | Sharp Kk | Spurnachlaufverfahren fuer eine optische speicherplatte. |
JP2745665B2 (ja) * | 1989-04-14 | 1998-04-28 | ソニー株式会社 | 光学式記録再生装置のデトラック検出方法 |
JPH0354740A (ja) * | 1989-07-24 | 1991-03-08 | Matsushita Electric Ind Co Ltd | 光学情報記録部材および光学情報記録再生装置 |
JP2870127B2 (ja) * | 1990-05-31 | 1999-03-10 | ソニー株式会社 | トラッキング制御方法 |
US5235581A (en) * | 1990-08-09 | 1993-08-10 | Matsushita Electric Industrial Co., Ltd. | Optical recording/reproducing apparatus for optical disks with various disk substrate thicknesses |
JPH0896387A (ja) | 1994-09-27 | 1996-04-12 | Canon Inc | 光学的情報記録再生装置 |
JP3519804B2 (ja) * | 1994-11-10 | 2004-04-19 | オリンパス株式会社 | 光ピックアップ装置 |
JPH08329490A (ja) * | 1995-05-31 | 1996-12-13 | Pioneer Electron Corp | トラッキングエラー信号生成装置 |
AU714000B2 (en) * | 1995-06-12 | 1999-12-16 | Sony Corporation | Optical pickup |
-
1996
- 1996-06-06 AU AU55807/96A patent/AU714000B2/en not_active Ceased
- 1996-06-07 MY MYPI96002310A patent/MY116529A/en unknown
- 1996-06-10 CA CA002178685A patent/CA2178685A1/en not_active Abandoned
- 1996-06-11 KR KR1019960020690A patent/KR100464762B1/ko not_active IP Right Cessation
- 1996-06-11 US US08/661,459 patent/US6222803B1/en not_active Expired - Fee Related
- 1996-06-12 ES ES96401271T patent/ES2149435T3/es not_active Expired - Lifetime
- 1996-06-12 CN CN96110302A patent/CN1103991C/zh not_active Expired - Fee Related
- 1996-06-12 AT AT96401271T patent/ATE195829T1/de not_active IP Right Cessation
- 1996-06-12 BR BR9602750A patent/BR9602750A/pt not_active Application Discontinuation
- 1996-06-12 DE DE69609902T patent/DE69609902T2/de not_active Expired - Fee Related
- 1996-06-12 EP EP96401271A patent/EP0749118B1/en not_active Expired - Lifetime
-
2001
- 2001-03-29 US US09/819,794 patent/US6366543B2/en not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5130965A (en) * | 1989-06-27 | 1992-07-14 | Mitsubishi Denki Kabushiki Kaisha | Optical recording/reproducing apparatus using a light spot switching means for centering beams on an information track |
JPH0765394A (ja) * | 1993-08-27 | 1995-03-10 | Fujitsu Ltd | 光ディスク装置 |
Also Published As
Publication number | Publication date |
---|---|
MX9602266A (es) | 1997-10-31 |
KR970002934A (ko) | 1997-01-28 |
AU714000B2 (en) | 1999-12-16 |
ES2149435T3 (es) | 2000-11-01 |
US20010019520A1 (en) | 2001-09-06 |
DE69609902D1 (de) | 2000-09-28 |
CN1148236A (zh) | 1997-04-23 |
EP0749118B1 (en) | 2000-08-23 |
BR9602750A (pt) | 1998-09-08 |
CA2178685A1 (en) | 1996-12-13 |
AU5580796A (en) | 1997-01-02 |
DE69609902T2 (de) | 2001-03-22 |
US6366543B2 (en) | 2002-04-02 |
CN1103991C (zh) | 2003-03-26 |
ATE195829T1 (de) | 2000-09-15 |
MY116529A (en) | 2004-02-28 |
US6222803B1 (en) | 2001-04-24 |
EP0749118A2 (en) | 1996-12-18 |
EP0749118A3 (en) | 1997-11-05 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
E902 | Notification of reason for refusal | ||
E902 | Notification of reason for refusal | ||
E701 | Decision to grant or registration of patent right | ||
GRNT | Written decision to grant | ||
LAPS | Lapse due to unpaid annual fee |